188347779

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2072

約数の個数: 36

約数和(自身を含む): 297180000

約数和(自身を除く): 108832221

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 361, 551, 1083, 1653, 1999, 3249, 4959, 5997, 10469, 17991, 31407, 37981, 57971, 94221, 113943, 173913, 341829, 521739, 721639, 1101449, 2164917, 3304347, 6494751, 9913041, 20927531, 62782593, 188347779]

約数ペア:

[(1, 188347779), (3, 62782593), (9, 20927531), (19, 9913041), (29, 6494751), (57, 3304347), (87, 2164917), (171, 1101449), (261, 721639), (361, 521739), (551, 341829), (1083, 173913), (1653, 113943), (1999, 94221), (3249, 57971), (4959, 37981), (5997, 31407), (10469, 17991)]